Matter and Energy. -9 pts 1. All matter is made of 2. Elements are composed of o
ID: 281338 • Letter: M
Question
Matter and Energy. -9 pts 1. All matter is made of 2. Elements are composed of one type of 3. Atoms are made of 3 major subatomic particles called and 4. The subatomic particle determines the chemical reactivity of an atom. 5. When electrons are shared between atoms this is call a bond 6. When electrons are transferred between atoms this is called a 7. The when two elements chemically combined in a fixed proportions the new substance is called a bond. Sulfur and Iron demonstration. listen carefully 12 pts 1. List 3 physical properties of sulfur a. b. C. 2. List 3 physical properties of iron a. b. C. Did the physical properties of iron and sulfur remain the same or changed when sulfur and iron are physically mixed? Pertaining to the above question (3) support your answer from your observation. 3. 4.Explanation / Answer
2. Elements are composed of one type os atoms.
3. Atoms are made of 3 majoe subatomic particles called protons, neutrons, and electrons.
4. The subatomic particle electron determines the chemical reactivity of an atom.
5. When electrons are shared between atoms this is called a covalent bond.